This is first set of Aruba interview questions . These given below questions were asked candidate who was having 5 years of experience in networking domain.
They were mainly focusing on projects . Questions were asked in projects given below:
- What did you do into projects ?
- What was your role ?
- What kind of challenges did you face ?
- What kind of testing did you do after implementing features into product ?
- How did you do code reviews ?
- How did you follow agile process during product development ?
- Basic product architecture and insight that.
- And many more questions ….
Date of Interviews: 08 / 02/ 2020
No of Rounds: 5 face to face
1: Tell me about yourself and projects.
2: What is protocol buffers. Define one proto buff. What is the use of protocol buff. Why is it used ?
3: What is size of integer pointer variable in 64-bit architecture in C ?
Eg : int *p ; Sizeof(p); Output: 8 bytes
4: What is the size of integer variable in 64-bit machine in C ?
Eg. int p; sizeof(p); Output: 4 bytes
5: What is the size of char variable in 64-bit machine in C ?
Eg. char ch; sizeof(ch); Output: 1 byte
6: What is the memory layout of C program ?
7: If you are designing your network , When will you use OSPF and when will you use BGP ?
8: How BGP works ?
9: what is double linked list? Write a program to delete a node in doubly linked list.
10: Write a program to find a loop in linked list.
11: How ARP protocol works ? How does it resolve MAC address ?
12: How routing works in networking ?
13: What is IP header, explain with all the fields ?
14: What is the difference between process and threads in operating system ?
15: What kind of memory shared by threads in process operating system ?
16: Write a program to find all the words starting with given characters.
Hint: Use trie data structures Eg: str = [“ABCD”, “ABDE” , “ABER” , “AWER” , “AERR”] Chars *searchStr = “AB*” Output: “ABCD”, “ABDE”, “ABER”
17: What is NATing and how it works in networking ?
18: What is VPN and why is it used in networking ?
19: What is the IPSec protocols and use of it ?
20: What is RIB (Routing information protocols) and use of it ??
21: Explain Life cycle of process in operating system.
22: What is code optimization in compiler ? What does it actually do ?
23: What is volatile keyword and what is it used for in C ??
24: How memory works with volatile variables in C ?
25: What is fork() and why is it used ?
26: What is hashing in C ?
27: What is MTU (Maximum transmission unit) in networking ?
To learn more about technical stuff, Please refer given below link.